the kinetic energy is such, the body is simply not made for it. last year, 31 of 32 nfl offensive lines averaged more than 300 pounds. i don't think the body is made for it. i think these men are paying a serious price. >> we went to the super bowl in 2013, i'm never going to run for a public office in new orleans. i think he knows that he's dealing with a major problem, he's very upfront with it. eliminating kickoff. >> who think that it's going to happen? >> three-point stance could be gone. he's up front. it's a huge game. it's a wonderful game. but this is real problem. this head trauma is a real problem. he's not denying it. >> this is a huge problem. i'm going to be upfront. i'm a long-time suffering detroit lion fan. i have three boys, two of them -- i live in austin, texas, home of "friday night lights." my two oldest played football. i think the commissioner is basically, all he's done is window dressing on the flight down here, i sat right no next to earl campbell, dominant force, he had to come on the plane on a wheelchair. his knees we